建筑物的耐用年限有()之分。
A.物理耐用年限和经济耐用年限
B.经济耐用年限和会计耐用年限
C.主体建筑耐用年限和附属建筑耐用年限
D.自然耐用年限和经济耐用年限
参考答案:D
There was nothing we could do that day ____ him down but _____ him in the house.
A.calm, lock
B.to calm, to lock
C.calming, locking
D.to calm, lock
对映体过量